| Classification | Potamogeton: Potamogetonaceae |
| Harvard University Herbaria Barcode(s) | 01695353 |
| Collector | F. J. Hermann |
| Collector number | 9996 |
| Country | United States of America |
| State | Maryland |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maryland: Anne Arundel County |
| Locality | Severn River, 1 1/4 miles NE. Annapolis |
| Date Collected | 1938-10-09 |
| Habitat | In shallow water |
| Container | Flora of Central Maryland |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bc143c59-ecf7-47e6-97a1-f3a6e4ced2b0 |
| Harvard University Herbaria Barcode | 01695353 |
| Herbarium | GH |
| Family | Potamogetonaceae |
| Determination | Potamogeton perfoliatus Linnaeus |
| Determined by | Haynes, Robert Ralph |
| Date Determined | 1979 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
